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Thermalright · Air · 165 mm tall

Thermalright Peerless Assassin 140 Digital Black

2 fans · 29.6 dBA

Performance
82%
Perf / price
68
Acoustics
64
Amazon
$53
Thermalright Peerless Assassin 140 Digital Black
View Thermalright Peerless Assassin 140 Digital Black Gallery in high resolution
$53
Available on Amazon Updated Aug 30, 2026 Prime FBA
Performance82.0%
Performance / price68.0
Acoustics64.2
$53 on Amazon Cooler table Compare this cooler

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Written analysis

Thermalright Peerless Assassin 140 Digital Black at a glance

The Thermalright Peerless Assassin 140 Digital Black is a Air cooler listed as 165 mm tall. It is listed with 2 120 mm fans.

Review-derived relative cooling performance is 82.0%. Recorded noise is 29.6 dBA, for an acoustics score of 64.2. Airflow is listed at 82 CFM. Warranty is 5 years.

Best fit: Mainstream and performance desktop builds that need solid review-derived cooling performance.

Fitment and sockets

Tower height is 165 mm — check case cooler clearance before buying. Socket compatibility includes LGA 1700, LGA 1151, LGA 1155, LGA 1156, LGA 1200, LGA 1851, AM4, AM5. CPU block / cold plate: Copper.

Current value

At $53, performance / price is 68.0. Compare nearby coolers of the same type below; quieter acoustics and fitment can outweigh a small score gap.

Cooler data

Full specifications

Cooling type, fitment, sockets, fans, acoustics, features, and value in one technical sheet.

General

Manufacturer
Thermalright
Cooler
Thermalright Peerless Assassin 140 Digital Black
Warranty
5 years
Launch price
—
Amazon price
$53
Amazon availability
Available
Price updated
Aug 30, 2026

Cooling type & fit

Type
Air
Size class
165 mm tall
Height
165 mm
Cooler dimensions
140 x 132 x 165 mm

Value

Amazon price
$53
Relative performance
82.0%
Performance / price
68.0
Acoustics
64.2

Sockets & block

Socket compatibility
LGA 1700, LGA 1151, LGA 1155, LGA 1156, LGA 1200, LGA 1851, AM4, AM5
CPU block
Copper

Fans & acoustics

Fan size
120 mm
Fan count
2
Fan speed
1850 rpm
Noise
29.6 dBA
Airflow
82 CFM
Acoustics score
64.2

Features

RGB lighting
No
Thermal paste included
No
Display
1
Color
Black

Amazon

Price history

Nearby performance

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Discussion

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Vendor copy

Amazon listing details

Marketplace feature text kept for reference. Structured specifications above are the source for scores and comparisons.

[Radiator Specifications]Model: Peerless Assassin 140 Digital Black,overall size: 140x160x165mm, fan size: 120x120x28mm/140x140x27mm,fan speed: 1850/1500RPM+10%,wind pressure: 2.1/2.09mm H2O Airflow: 82/77.8CFM,Operating Noise:≤29.6/25.6DB(A),Fan Power Supply Interface: 4PIN PWM,the dual cpu fans with the radiator come with S-FDB bearings, which have long-life characteristics to ensure that the radiator dissipates heat efficiently

[ARGB Magnetic Digital Display Board] The radiator is paired with a magnetic top cover ARGB digital display board, which can grasp the temperature and occupancy information of the CPU and graphics card, and combined with the TRCC control software, it can achieve the colour switching of the temperature figures

[165mm Height] The overall height of the cooler is 165mm, making it compatible with mainstream ATX cases. The cooling tower is painted in a solid black coating style, and the magnetic top cover with digital display panel design combines the high cooling function of the cooler with innovative technology. The overall design of the dual tower with dual fans is compatible with high waistcoat memory and graphics card installation

[TRCC Software] TRCC Control Centre can freely monitor the parameters of CPU and GPU temperature and occupancy, and the data text can be freely adjusted in colour. The power supply and data communication transmission of the digital display board are provided by the 9PIN USB interface of the motherboard, please ensure the integrity of the wiring before installing the software, which can be downloaded and installed from the official website

[Wide Compatibility] The cpu cooler is compatible with platforms: AMD: AM4/AM5 and LGA1851/1700/1150/1151/1155/1156/1200/2011/2066,comes with dual-platform mounting grommets, which can be well mounted to the corresponding platforms, and can be installed according to the manuals or installation videos. (Note: AMD platform installation requires the use of the motherboard's original backplane, this product does not come with the backplane)

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